import {hi} from './m1'

function sum(a:number , b:number):number{
  return a + b
}

const obj = {name:'孙悟空',age:33}

console.log(obj);

obj.age = 18
console.log(obj);


console.log(sum(123,456));
console.log('哈哈');
console.log(hi);

let fn = (a:number , b:number) => a+b

fn(123,456)
fn(77,22)


console.log(Promise);